Sherwood Stereo System TX 5090C User Manual

OPERATING INSTRUCTIONS  
BEDIENUNGSANLEITUNG  
ISTRUZIONI PER L’USO  
MANUAL DE INSTRUCCIONES  
TX-5090C/RDS  
AM/FM Stereo Digital Tuner  
Digital-Tuner für UKW Stereo, MW und LW  
Sintonizzatore Stereo Digital AM/FM  
Sintonizador AM/FM Estéreo Digital  
 
READTHISBEFORE OPERATING YOUR UNIT  
FOR U.S.A. AND CANADA  
FOR YOUR SAFETY  
120 V  
FOR OTHER COUNTRIES  
FOR YOUR SAFETY  
110 V/ 220 V  
Units shipped to the U.S.A. and Canada are  
designed for operation on 120 V AC only.  
Units shipped to countries other than the above  
countries are equipped with an AC voltage selector  
switch on the rear panel. Refer to the following  
paragraph for the proper setting of this switch.  
Safety precaution with use of a polarized AC plug.  
However, some products may be supplied with a  
nonpolarized plug.  
AC VOLTAGE SELECTION  
This unit operates on 110 - 220 V AC. The AC  
voltage selector switch on the rear panel is set to  
the voltage that prevails in the area to which the  
unit is shipped.  
Before connecting the power cord to your AC outlet,  
make sure that the setting position of this switch  
matches your line voltage. If not, it must be set to  
your voltage in accordance with the following  
direction.  
CAUTION : To prevent electric shock, match wide  
blade of plug to wide slot, fully insert.  
ATTENTION : Pour eviter les choc electriques,  
introduire la lame la plug large de la borne  
correspondante de la prise et poussre jusqu’au  
fond.  
FOR EUROPE AND AUSTRALIA  
FOR YOUR SAFETY  
230 V/240 V  
AC voltage selector switch  
Units shipped to Australia are designed for  
operation on 240 V AC only.  
To ensure safe operation, the three-pin plug  
supplied must be inserted only into a standard  
three-pin power point which is effectively earthed  
through the normal household wiring. Extension  
cords used with the equipment must be three-core  
and be correctly wired to provide connection to  
earth. Improper extension cords are a major cause  
of fatalities.  
AC 110 V  
AC 220 V  
Move switch lever to match your line voltage  
with a small screwdriver or other pointed tool.  
The fact that the equipment operates satisfactorily  
does not imply that the power point is earthed and  
that the installation is completely safe. For your  
safety, if in any doubt about the effective earthing  
of the power point, consult a qualified electrician.  
PAN-EUROPEAN UNIFIED VOLTAGE  
All units are suitable for use on supplies 230 - 240 V  
AC.  
3
 
CONTENTS  
Introduction  
UNPACKING AND INSTALLATION  
2
3
READ THIS BEFORE OPERATING YOUR UNIT  
Rear Panel Connections  
Front Panel Controls  
5
7
Operations  
LISTENING TO RADIO BROADCASTS  
LISTENING TO FM STEREO BROADCASTS  
PRESETTING RADIO STATIONS  
LISTENING TO PRESET STATIONS  
LISTENING TO RDS BROADCASTS (FM only)  
(Additional Function for TX-5090RDS Only)  
9
9
10  
11  
12  
Troubleshooting Guide  
Specifications  
15  
16  
4
 
Rear Panel Connections  
Do not plug the AC input cord into the AC outlet when making connections.  
Be sure to connect the white plugs to the L(Left) and the red plugs to the R(Right) jacks when making connections .  
Refet to the connecting diagram in the operating instractions of AMPLIFIER/RECEIVER.  
FM  
(OUTDOOR ANTENNA)  
FM  
(INDOOR ANTENNA)  
AM loop antenna  
300 ohm  
feeder  
SUPPLIED ADAPTOR  
TUNER  
L
R
AMPLIFIER/RECEIVER  
DIGI LINK  
5
 
OUTPUT JACKS  
Connect these jacks to the TUNER INPUT jacks of your amplifier such as AX-5090R, etc.  
AM LOOP ANTENNA TERMINALS  
The supplied antenna is for indoor use. Place it as far as possible from the main system, TV, speaker cords and AC input  
cord and set it to a direction for the best reception.  
FM INDOOR ANTENNA  
The supplied antenna is for indoor use. Strech out the antenna fully and find the position for the best reception, then fix it.  
FM OUTDOOR ANTENNA  
It is recommended to install an FM outdoor antenna for very high quality FM reception.  
An FM outdoor antenna can be connected to the tuner with a 75coaxial cable.  
DIGI LINK JACKS  
Connect this jack to the DIGI LINK jack of Sherwood amplifier such as AX-5090R,etc. bearing the DIGI LINK III or II  
logo to control this unit remotely by DIGI LINK system.  
AC INPUT CORD  
Plug this cord into the switched AC outlet of amplifier or a household AC outlet.  
UNSWITCHED AC OUTLET  
Power always flows to this outlet. regardless of whether this unit is switched ON or OFF if power flows through the AC  
input cord of this unit.  
Note : The equipment whose power consumption exceeds 100 watts should not be connected.  
6
 
Front Panel Controls  
POWER SWITCH  
PRESET NUMERIC BUTTONS  
Use these buttons to memorize or recall the preset  
number of the desired station frequency.  
Press this switch to turn the power on and press again  
to turn the power off.  
For system operation, plug the AC input cord into the  
switched AC outlet on amplifier, keep the POWER  
switch ON and control power ON/OFF with the  
power operation on the amplifier.  
PRESET SCAN BUTTON  
Press this button to scan the stations memorized in the  
memory.  
BAND BUTTONS  
RDS CONTROLS(TX-5090RDS ONLY)  
EON PTY : For receiving the desired program type in  
the RDS mode.  
Press these buttons to select the FM or AM (MW or  
LW : For Europe version only).  
EON TA : For receiving traffic announcement in the  
TP mode.  
SEARCH : For selecting RDS, PTY or TP search  
mode.  
TUNING UP/DOWN(/)BUTTONS  
Use these buttons to select the desired station  
frequency.  
DISPLAY : For changing the display mode.  
PTY SELECT : For selecting the desired program  
type.  
MEMORY BUTTON  
Press this button to memorize the desired station  
frequency.  
FLUORESCENT DISPLAY  
FM MODE BUTTON  
For details, refer to the next page.  
When listening to FM broadcasts, press this button to  
select the stereo or mono mode.  
7  
 
FLUORESCENT DISPLAY  
ꢄ ꢅ ꢆ ꢇ ꢈ ꢃ  
RDS EON TP TA PTY ST TUNED
PRESET  
MEM  
dB  
KHz  
M
Hz  
ms  
SLEEP  
TUNED INDICATOR  
STEREO INDICATOR  
RDS INDICATOR  
EON INDICATOR  
TP INDICATOR  
TA INDICATOR  
PTY INDICATOR  
MEMORY INDICATOR  
PRESET NUMBER, SLEEP TIME DISPLAY  
FREQUENCY, OPERATING INFORMATIONS,etc.  
DISPLAY  
In case of making DIGI LINK connection between this unit  
and the Sherwood compatiable amplifier such as AX-5090R,  
the INPUT SOURCE or SLEEP TIME,etc. may be displayed.  
DIGI LINK SYSTEM REMOTE CONTROL  
This unit can be remotely controled with Sherwood DIGI LINK III amplifier such as AX-5090R.  
For available functions, refer to the compatiable unit's operating instructions.  
To listen to a TUNER by DIGI LINK system, first make DIGI LINK connection between this unit and Sherwood  
compatiable amplifier such as AX-5090R.  
8
 
Operations  
LISTENING TO RADIO BROADCASTS  
Select the desired band.  
Auto tuning  
2
Turn the power on.  
1
Example) When selecting the FM band.  
MHz  
Each time the POWER switch is pressed, this unit is  
turned on or off.  
Each time the AM button is pressed, the band changes  
as follows;  
Press the TUNING UP() or DOWN()  
MW LW  
button for more than 0.5 second.  
3
Manual tuning  
Manual tuning is useful when you already know the  
frequency of the desired station.  
Perform the steps 1~2 in “Auto tuning” porocedure  
and press the TUNING UP() or DOWN() button  
repeatedly until the desired frequency has been  
reached.  
This unit will now search until a station of sufficient  
strength has been found.  
The display shows the tuned frequency and “TUNED”.  
If the station found is not the desired one, simply repeat  
this operation.  
Weak stations are skipped during auto tuning.  
LISTENING TO FM STEREO BROADCASTS  
Each time this button is pressed, the FM mode changes  
as follow;  
While listening to FM brodcasts, select the desired  
FM mode.  
STEREO mode : “ST” lights up  
MONO mode : “ST” goes off  
When FM stereo broadcasts are poor because of weak  
brocasts signals, select the FM mono to reduce the  
noise, then FM broadcasts are reproduced in monaural  
sound.  
9
 
PRESETTING RADIO STATIONS  
You can store up to 30 preferred stations in the memory.  
Tune in the desired station with auto or  
manual tuning.  
Press the MEMORY button.  
1
2
Example)When memorizing FM broadcast  
of 91.9MHz in preset memory.  
ST TUNED  
ST TUNED  
MEM  
MHz  
MHz  
”MEM” indicator flickers for 5 seconds.  
Select the desired preset number.  
Press the MEMORY button to memorize.  
3
4
When selecting the PRESET NUMERIC buttons, the  
station is memorized automatically without  
pressingthe “MEMORY” button.  
ST TUNED  
MEM  
MHz  
Repeat steps 1~4 to memorize other  
stations.  
5
When using the PRESET NUMERIC buttons on the  
front panel,  
Example)When selecting “9” : 9  
A stored frequency is erased from the memory by  
storing another frequency in its place.  
When selecting “12” : 12  
within 2 sec.  
If the electricity fails or the AC input cord is  
disconnected for about 2 weeks, the memorized  
contents are all cleared. Should this happen, memorize  
them again.  
If "MEM" goes off, start from the step 2 again.  
10  
 
LISTENING TO PRESET STATIONS  
When using the PRESET NUMERIC buttons  
Press the preset number of the desired station.  
Example)  
When selecting “9”  
When selecting “12”  
within 2 sec.  
When using the PRESET SCAN button  
At the desired station, press agin to stop  
scanning.  
Press this button to start scanning.  
2
1
ST TUNED  
ST TUNED  
E
MHz  
MHz  
The unit starts scanning the preset stations in the preset  
sequence and each station is received for 5 seconds.  
11  
 
Additional Function for TX-5090RDS Only  
LISTENING TO RDS BROADCASTS(FM only)  
RDS(Radio Data System) is a method for sending information signals together with the transmitter signals..  
Your tuner is capable of translating these signals and putting the information on the display.  
These codes contain the following informations.  
Program service name(PS), A list of Program Types(PTY), Traffic Announcement(TA), Clock Time(CT), Radio Text(RT).  
While displaying “RDS SRCH”, start  
searching.  
RDS search  
2
Use this function to automatically search and receive the  
stations offering RDS services.  
In the FM mode, select the RDS search mode.  
1
The tuner automatically searches a station offering RDS  
services and the station name is displayed.  
If the station found is not the desired one, press the  
TUNING UP() or DOWN()button again while the  
RDS indicator is flickering.  
Each time this button is pressed, the search mode changes  
as follows;  
When “RDS SRCH” disappears, repeat again from the  
above step 1.  
RDS SRCH TP SRCH PTY SRCH OFF  
If no station is found, “NO RDS” is displayed.  
While displaying “TP SRCH”, start searching.  
TP search  
Use this function to automatically search and receive  
the stations broadcasting the traffic program.  
2
In the FM mode, select the TP search mode.  
1
The tuner automatically searches for stations  
broadcasting the traffic program.  
”NO TP” is displayed if the signal is too weak or there  
are no stations broadcasting the traffic program.  
When “TP SRCH” disappears, repeat again from the  
above step 1.  
TP SRCH” is displayed.  
12  
 
PTY search  
While displaying “PTY SRCH”, select the  
desired program type.  
Use this function to automatically search and receive  
the stations broadcasting the desired program type.  
2
In the FM mode, select the PTY search mode.  
1
Each time this button is pressed, one of 17 different  
program types is selected as follows;  
Display  
NEWS  
Program Type  
News  
AFFAIRS  
INFO  
SPORT  
Current affairs  
Information  
Sport  
"PTY SRCH" is displayed.  
EDUCATE  
DRAMA  
CULTURE  
SCIENCE  
VARIED  
POP M  
Education  
Drama  
Culture  
Start searching.  
Science and technology  
Other program types  
Popular music  
Rock music  
Middle of the road music  
Light classical music  
Serious classical music  
Other music types  
Alarm  
3
ROCK M  
M O R  
LIGHT M  
CLASSICS  
OTHER M  
ALARM  
NONE  
Undefined program type  
The tuner automatically searches a station offering PTY  
services.  
When “PTY SRCH” disapperars, repeat again from the  
above step 1.  
If no station is found, “NO PROG” is displayed.  
While the PTY indicator is flickering, select  
the desired program type.  
EON PTY(EON : Enhanced Other  
Networks information)  
2
Use this function to automatically search and receive  
the desired program type while listening to a RDS  
station.  
In the RDS mode.  
1
If one of the preset stations is broadcasting the selected  
program type, it will be tuned in while listening to a  
RDS station.  
If the station stops broadcasting the selected program  
type, the tuner will find other stations repeatedly.  
If no station is found, the previous RDS station will be  
tuned in.  
When the PTY indicator goes off, repeat again from  
the above step 1.  
Program type is displayed and the PTY indicator is  
flickering.  
Press the EON PTY button to cancel the EON PTY  
mode.  
13  
 
EON TA  
DISPLAY  
In the FM mode.  
Use this function to automatically search and receive  
the traffic announcement while listening to traffic  
program.  
In the TP mode.  
Each time this button is pressed, the display mode  
changes as follows;  
Program  
Servic name  
(PS)  
Program  
Type  
(PTY)  
Clock  
Time  
(CT)  
Radio  
Text  
(RT)  
Traffic program is displayed and the TA indicator  
lights up.  
If the preset station broadcasting traffic  
announcement is found, it will be tuned in while  
listening to traffic program.  
Frequency  
If the signals are too weak or no RDS service is  
available, “NO NAME”, “NO PROG”, “NO TIME”or  
“NO TEXT” will be displayed.  
If the station stops broadcasting traffic announcement,  
the tuner will find other stations repeatedly.  
If no station is found, the previous traffic program  
station will be tuned in.  
Press the EON TA button to cancel the EON TA  
mode.  
14  
 
Troubleshooting Guide  
If your unit should not perform as expected, consult the table below to see if the problem can be corrcted before  
seeking help from your dealer or our service organization.  
PROBLEM  
POSSIBLE CAUSE  
REMEDY  
No power  
Connect cord securely.  
Press the POWER switch to ON.  
The AC input cord is disconnected.  
The POWER switch is not pressed  
completely.  
Connect an antenna.  
No antenna is connected.  
Not receiving the stations  
Set the broadcast band properly.  
Tune in the frequency of the desired  
station.  
The broadcast band is not set properly.  
The frequency of the desired station is  
not tuned in.  
Not receiving the preset stations  
Memorize the correct station  
frequency.  
An incorrect station frequency has  
been memorized.  
Memorize the station again.  
The preset memory was cleared  
because the AC input cord had been  
unplugged or the electricity had failed  
for more than 2 weeks.  
interference  
Install the outdoor antenna apart from  
the load.  
Noise related to ignition noise of an  
automobile.  
Turn off the power of the appliance.  
Noise related an influence from an  
electric appliance.  
Install this unit more apart from the  
Noise related to a nearby TV set.  
TV set .  
Connect an antenna.  
Change the position of the antenna.  
No antenna is connected.  
The antenna is not positioned for the  
best reception.  
Poor FM reception  
Continuous hissing noise during  
FM reception, especially when a  
stereo broadcast is received.  
Weak signals.  
Change the position of the antenna.  
Install an outdoor antenna.  
Continuous or intermittent  
hissing noise during AM  
reception, especially at night.  
Keep this unit away from noise  
sources.  
Install an outdoor AM antenna.  
Noise is caused by motors, fluorescent  
lamps or lightning, etc.  
15  
 
Specifications  
FM TUNER SECTION  
Tuning frequency range......................................................................................................................................87.5~108 MHz  
Usable sensitivity, THD 3%, S/N 26 dB ......................................................................................................................15.2 dBf  
46 dB quieting sensitivity, mono/stereo ...............................................................................................................23.2/43.2 dBf  
Signal to noise ratio, 65 dBf, mono/stereo...................................................................................................................70/65 dB  
Total harmonic distortion, 65 dBf,1 kHz, mono/stereo................................................................................................0.4/0.6%  
Frequency response, 20 Hz~15 kHz ...............................................................................................................................±3 dB  
Stereo separation, 1 kHz ...................................................................................................................................................35 dB  
Capture ratio........................................................................................................................................................................2 dB  
IF rejection ratio............................................................................................................................................................. 100 dB  
AM(MW) TUNER SECTION  
Tuning frequency range ......................................................................................................................................522~1611 kHz  
Usable sensitivity ........................................................................................................................................................500 /m  
Signal to noise ratio IHF “A”weigthed, 30% MOD. .......................................................................................................45 dB  
Selectivity..........................................................................................................................................................................25 dB  
AM(LW) TUNER SECTION  
Tuning frequency range .......................................................................................................................................153~279 kHz  
Usable sensitivity ........................................................................................................................................................800 /m  
Signal to noise ratio IHF “A”weigthed, 30% MOD. .......................................................................................................40 dB  
GENERAL  
Power supply ..................................................................................................................................................AC 230 V, 50 Hz  
Power consumption............................................................................................................................................................10 W  
Unswitched AC outlet.............................................................................................................................................100 W max.  
Dimensions (W×H×D)......................................................................440×80×250 mm(17-5/16×3-1/8×9-15/16 inches)  
Weight (Net)......................................................................................................................................................2.8 kg(6.16 lbs)  
Note: Design and specifications are subject to change without notice for improvements.  
16  
 
5707-04715-002-0  
 

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